“Teacher, Moses wrote for us that if someone’s brother (adelphos | ἀδελφός | nom sg masc) should die and leave behind a wife, but not leave behind a child, the brother (adelphos | ἀδελφός | nom sg masc) should take the widow and raise up offspring for his brother (adelphō | ἀδελφῷ | dat sg masc).
Reference
Mark 12:19
Sequence
46